 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.texteditor.templates;

 import org.eclipse.core.runtime.IStatus;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Composite;

 import org.eclipse.jface.resource.JFaceColors;


 /**
  * A message line displaying a status.
  *
  * @since 3.0
  */
 class MessageLine extends CLabel {

     private Color fNormalMsgAreaBackground;

     /**
      * Creates a new message line as a child of the given parent.
      *
      * @param parent the parent composite
      */
     public MessageLine(Composite parent) {
         this(parent, SWT.LEFT);
     }

     /**
      * Creates a new message line as a child of the parent and with the given SWT style bits.
      *
      * @param parent the parent composite
      * @param style the style
      */
     public MessageLine(Composite parent, int style) {
         super(parent, style);
         fNormalMsgAreaBackground= getBackground();
     }


     private Image findImage(IStatus status) {
         if (status.isOK()) {
             return null;
         }
         return null;
     }

     /**
      * Sets the message and image to the given status.
      * <code>null</code> is a valid argument and will set the empty text and no image
      *
      * @param status the status
      */
     public void setErrorStatus(IStatus status) {
         if (status != null && !status.isOK()) {
             String message= status.getMessage();
             if (message != null && message.length() > 0) {
                 setText(message);
                 setImage(findImage(status));
                 setBackground(JFaceColors.getErrorBackground(getDisplay()));
                 return;
             }
         }
         setText(""); //$NON-NLS-1$
 setImage(null);
         setBackground(fNormalMsgAreaBackground);
     }
 }


